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//Portions Copyright [2018-2019] [Payara Foundation and/or affiliates]

package org.glassfish.admin.amx.util.stringifier;

import java.util.Iterator;

/**
 * Stringifies an {@link Iterator}, using an optional element Stringifier
 */
public final class IteratorStringifier extends IteratorStringifierBase {

    public static final IteratorStringifier DEFAULT = new IteratorStringifier(",");
    
    public IteratorStringifier() {
        super();
    }

    public IteratorStringifier(String delim) {
        super(delim);
    }

    public IteratorStringifier(Stringifier elementStringifier) {
        super(elementStringifier);
    }

    public IteratorStringifier(String delim, Stringifier elementStringifier) {
        super(delim, elementStringifier);
    }

    @Override
    public void stringifyElement(Object elem, String delim, StringBuilder buf) {
        if (elem == null) {
            buf.append("null");
        } else {
            buf.append(mElementStringifier.stringify(elem));
        }
    }


    /*
     * Static variant when direct call will suffice.
     */
    public static String stringify(Iterator iter, String delim) {
        final IteratorStringifier stringifier = new IteratorStringifier(delim);

        return (stringifier.stringify(iter, delim, SmartStringifier.DEFAULT));
    }

}
